102 lines
3.8 KiB
Python
102 lines
3.8 KiB
Python
# -*- Python -*-
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import os
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import platform
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import re
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import lit.formats
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# Get shlex.quote if available (added in 3.3), and fall back to pipes.quote if
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# it's not available.
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try:
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import shlex
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sh_quote = shlex.quote
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except:
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import pipes
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sh_quote = pipes.quote
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def get_required_attr(config, attr_name):
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attr_value = getattr(config, attr_name, None)
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if attr_value == None:
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lit_config.fatal(
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"No attribute %r in test configuration! You may need to run "
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"tests from your build directory or add this attribute "
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"to lit.site.cfg.py " % attr_name)
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return attr_value
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# Setup config name.
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config.name = 'MemProfiler' + config.name_suffix
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# Platform-specific default MEMPROF_OPTIONS for lit tests.
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default_memprof_opts = list(config.default_sanitizer_opts)
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default_memprof_opts_str = ':'.join(default_memprof_opts)
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if default_memprof_opts_str:
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config.environment['MEMPROF_OPTIONS'] = default_memprof_opts_str
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default_memprof_opts_str += ':'
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config.substitutions.append(('%env_memprof_opts=',
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'env MEMPROF_OPTIONS=' + default_memprof_opts_str))
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# Setup source root.
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config.test_source_root = os.path.dirname(__file__)
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libdl_flag = '-ldl'
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# Setup default compiler flags used with -fmemory-profile option.
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# FIXME: Review the set of required flags and check if it can be reduced.
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target_cflags = [get_required_attr(config, 'target_cflags')]
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target_cxxflags = config.cxx_mode_flags + target_cflags
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clang_memprof_static_cflags = (['-fmemory-profile',
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'-mno-omit-leaf-frame-pointer',
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'-fno-omit-frame-pointer',
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'-fno-optimize-sibling-calls'] +
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config.debug_info_flags + target_cflags)
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clang_memprof_static_cxxflags = config.cxx_mode_flags + clang_memprof_static_cflags
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memprof_dynamic_flags = []
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if config.memprof_dynamic:
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memprof_dynamic_flags = ['-shared-libsan']
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config.available_features.add('memprof-dynamic-runtime')
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else:
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config.available_features.add('memprof-static-runtime')
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clang_memprof_cflags = clang_memprof_static_cflags + memprof_dynamic_flags
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clang_memprof_cxxflags = clang_memprof_static_cxxflags + memprof_dynamic_flags
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def build_invocation(compile_flags):
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return ' ' + ' '.join([config.clang] + compile_flags) + ' '
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config.substitutions.append( ("%clang ", build_invocation(target_cflags)) )
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config.substitutions.append( ("%clangxx ", build_invocation(target_cxxflags)) )
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config.substitutions.append( ("%clang_memprof ", build_invocation(clang_memprof_cflags)) )
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config.substitutions.append( ("%clangxx_memprof ", build_invocation(clang_memprof_cxxflags)) )
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if config.memprof_dynamic:
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shared_libmemprof_path = os.path.join(config.compiler_rt_libdir, 'libclang_rt.memprof{}.so'.format(config.target_suffix))
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config.substitutions.append( ("%shared_libmemprof", shared_libmemprof_path) )
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config.substitutions.append( ("%clang_memprof_static ", build_invocation(clang_memprof_static_cflags)) )
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config.substitutions.append( ("%clangxx_memprof_static ", build_invocation(clang_memprof_static_cxxflags)) )
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config.substitutions.append( ("%libdl", libdl_flag) )
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config.available_features.add('memprof-' + config.bits + '-bits')
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config.available_features.add('fast-unwinder-works')
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# Set LD_LIBRARY_PATH to pick dynamic runtime up properly.
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new_ld_library_path = os.path.pathsep.join(
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(config.compiler_rt_libdir, config.environment.get('LD_LIBRARY_PATH', '')))
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config.environment['LD_LIBRARY_PATH'] = new_ld_library_path
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# Default test suffixes.
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config.suffixes = ['.c', '.cpp']
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config.substitutions.append(('%fPIC', '-fPIC'))
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config.substitutions.append(('%fPIE', '-fPIE'))
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config.substitutions.append(('%pie', '-pie'))
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# Only run the tests on supported OSs.
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if config.host_os not in ['Linux']:
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config.unsupported = True
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if not config.parallelism_group:
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config.parallelism_group = 'shadow-memory'
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